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1Nonbismuth concomitant quadruple therapy for Helicobacter pylori eradication in Chinese regions: A meta-analysis of randomized controlled trials显示文摘AIM: To evaluate the applicability of nonbismuth concomitant quadruple therapy for Helicobacter pylori(H. pylori) eradication in Chinese regions.METHODS: A systematic review and meta-analysis of randomized controlled trials was performed to evaluate the efficacy of nonbismuth concomitant quadruple therapy between sequential therapy or triple therapy for H. pylori eradication in Chinese regions. The defined Chinese regions include China, Hong Kong, Taiwan, and Singapore. The primary outcome was the H. pylori eradication rate; the secondary outcome was the compliance with therapy. The Pub Med, Embase, Scopus, and Cochrane databases were searched for studies published in the period up to March 2016 with no language restriction.RESULTS: We reviewed six randomized controlled trials and 1616 patients. In 3 trials comparing concomitant quadruple therapy with triple therapy, the H. pylori eradication rate was significantly higher for 7-d nonbismuth concomitant quadruple therapy than for 7-d triple therapy(91.2% vs 77.9%, risk ratio = 1.17, 95%CI: 1.09-1.25). In 3 trials comparing quadruple therapy with sequential therapy, the eradication rate was not significant between groups(86.9% vs 86.0%). However, higher compliance was achieved with concomitant therapy than with sequential therapy.CONCLUSION: The H. pylori eradication rate was higher for nonbismuth concomitant quadruple therapy than for triple therapy. Moreover, higher compliance was achieved with nonbismuth concomitant quadruple therapy than with sequential therapy. Thus, nonbismuth concomitant quadruple therapy should be the first-line treatment in Chinese regions.Lien-Chieh Lin Tzu-Herng Hsu Kuang-Wei Huang Ka-Wai Tam 2016World Journal of Gastroenterology2016,22,23:8
2Antibiotic treatment for Helicobacter pylori : Is the end coming?显示文摘Infection with the Gram-negative pathogen Helicobacter pylori(H. pylori) has been associated with gastroduodenal disease and the importance of H. pylori eradication is underscored by its designation as a groupI carcinogen. The standard triple therapy consists of a proton pump inhibitor, amoxicillin and clarithromycin, although many other regimens are used, including quadruple, sequential and concomitant therapy regimens supplemented with metronidazole, clarithromycin and levofloxacin. Despite these efforts, current therapeutic regimens lack efficacy in eradication due to antibiotic resistance, drug compliance and antibiotic degradation by the acidic stomach environment. Antibiotic resistance to clarithromycin and metronidazole is particularly problematic and several approaches have been proposed to overcome this issue, such as complementary probiotic therapy with Lactobacil us. Other studies have identified novel molecules with an anti-H. pylori effect, as well as tailored therapy and nanotechnology as viable alternative eradication strategies. This review discusses current antibiotic therapy for H. pylori infections, limitations of this type of therapy and predicts the availability of newly developed therapies for H. pylori eradication.Su Young Kim Duck Joo Choi Jun-Won Chung 2015World Journal of Gastrointestinal Pharmacology and Therapeutics2015,6,4:5
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